CN219234170U

CN219234170U - Clamping mechanism capable of overcoming deflection deformation

Info

Publication number: CN219234170U
Application number: CN202320874437.2U
Authority: CN
Inventors: 颜杨焰
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-06-23
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses a clamping mechanism for overcoming deflection deformation, which relates to the technical field of gear processing equipment and aims at solving the problem that the prior art scheme has poor effect in overcoming deflection deformation.

Description

Clamping mechanism capable of overcoming deflection deformation

Technical Field

The utility model relates to the technical field of gear machining equipment, in particular to a clamping mechanism for overcoming deflection deformation.

Background

The deflection deformation refers to a phenomenon that an object is bent and deformed under the action of an external force. In bending deformation, a part above the object is subjected to pressure, a part below the object is subjected to tensile force, and a middle part of the object is subjected to bending, wherein the deformation is commonly found in various structures such as beams, columns, bridges and the like, and the size and shape of the bending deformation depend on the elasticity, the geometric shape and the size and direction of external force of the object.

In the production and processing process of gears, if uneven clamping force can cause deflection deformation of the gears, chinese patent CN202221123881.2 discloses a gearbox gear processing auxiliary fixture, which comprises a fixture base, wherein a driving motor is arranged on one side of the fixture base, a three-jaw chuck body is arranged on one side of the driving motor, the output end of the driving motor penetrates through the fixture base and is fixed with the surface of the three-jaw chuck body, a moving seat is arranged on one side of the three-jaw chuck body, and through grooves are formed in the two ends of the surface of the moving seat in a penetrating mode.

In the prior art, the pulleys are used for clamping the radial direction of the gear from two sides, the stress points are few, the gears cannot be axially clamped and fixed, and the effects on overcoming the deflection deformation in the gear machining process are poor.

Disclosure of Invention

In view of the problems existing in the prior art, the utility model discloses a clamping mechanism for overcoming deflection deformation, which adopts the technical scheme that the clamping mechanism comprises a base, wherein the rear end of the base is provided with a fixed table, a chuck is arranged on the fixed table and is used for fixing a gear workpiece, a chuck and a positioning cylinder are also arranged on the fixed table, the chuck is in sliding connection with the fixed table, the gear workpiece can be clamped from the rear side, the positioning cylinder is in threaded connection with the fixed table, the positioning cylinder is in sliding connection with the chuck, the position of the chuck is fixed in a positioning manner, a movable seat is in sliding connection with the base, a positioning screw is rotationally connected with the base, the positioning screw is axially parallel with the chuck, the movable seat is in threaded connection with the positioning screw, the movable seat is provided with a regulating seat, the regulating bolt is in threaded connection with the regulating bolt, the regulating bolt is rotationally connected with the regulating bolt, the regulating bolt is hinged with a supporting rod on the regulating seat, the regulating seat is provided with a plurality of groups of short rods, the short rods are hinged with the circumference of the round rods, the round rods are hinged with the round rods, and the round rods are arrayed from the round rods, and the round rods are hinged with the round rods are arrayed from the front end faces.

As a preferable technical scheme of the utility model, the front end and the rear end of the base are respectively provided with a baffle seat, two groups of guide rods are arranged between the baffle seats, the two groups of guide rods are symmetrically arranged left and right, and the movable seat is in sliding connection with the guide rods to guide the movable seat, so that the stability is enhanced.

As a preferable technical scheme of the utility model, the reinforcing ribs are arranged between the movable seat and the movable table, and the reinforcing ribs are symmetrically arranged in two groups, so that the structural strength is enhanced.

As a preferable technical scheme of the utility model, the chuck is connected with clamping jaws in a sliding manner, the clamping jaws are provided with a plurality of groups of circumferential arrays, clamping blocks are arranged at the inner ends of the clamping jaws, and cambered surfaces are arranged on the clamping blocks so as to facilitate clamping and fixing of gear workpieces from the shaft holes.

As a preferable technical scheme of the utility model, the fixing table is provided with the guide groove, the chuck is provided with the guide block, and the guide block is slidably connected in the guide groove to enhance the stability of the movement of the chuck.

As a preferable technical scheme of the utility model, the positioning cylinder is connected with the limiting bolts in a threaded manner, the limiting bolts are in a plurality of groups and are uniformly distributed on the positioning cylinder, the outer end of each limiting bolt is provided with the rotating handle, the inner end of each limiting bolt is in sliding connection with the fixing table, and the positioning cylinder and the fixing table can be limited, so that the clamping stability is kept.

As a preferable technical scheme of the utility model, the front end of the positioning screw is provided with a positioning rod head, the positioning rod head is connected with an auxiliary handle in a sliding manner, two ends of the auxiliary handle are provided with blocking heads, and the auxiliary handle is perpendicular to the positioning screw, so that the positioning screw can be conveniently rotated by applying force.

As a preferable technical scheme of the utility model, the front end of the adjusting bolt is provided with a bolt head, the bolt head is provided with bolt handles, and the bolt handles are provided with a plurality of groups of circumferential arrays, so that the adjusting bolt can be conveniently operated.

As a preferable technical scheme of the utility model, the front side of the mobile station is provided with a boss, the boss corresponds to the position of the bolt head, and can limit the position of the bolt head to prevent the bolt head from being too close to the mobile station to influence operation.

The utility model has the beneficial effects that: according to the utility model, the chuck is arranged on one side of the chuck, the pressing plate is arranged on the opposite side, the chuck is used for fixing the gear workpiece, and the gear workpiece is clamped by the chuck and the pressing plate from the front side and the rear side of the axis, so that the stress surface of the gear workpiece is larger, and the stress is more uniform, thereby better overcoming the deflection deformation in the machining process.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of the present utility model at A;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at B;

FIG. 4 is a schematic diagram of the front view of the present utility model;

FIG. 5 is a schematic view of the structure of the C-C section of the present utility model.

In the figure: 1. a base; 2. a fixed table; 3. a movable seat; 4. a mobile station; 5. a chuck; 6. a chuck; 7. a positioning cylinder; 8. round bench; 9. a pressing plate; 10. a blocking seat; 11. a guide rod; 12. positioning a screw; 13. positioning the club head; 14. an auxiliary handle; 30. reinforcing ribs; 41. a boss; 42. an adjusting seat; 43. a support rod; 50. a guide groove; 51. a clamping jaw; 52. clamping blocks; 71. a limit bolt; 80. an adjusting bolt; 81. short bars.

Detailed Description

Example 1

As shown in fig. 1 to 5, the utility model discloses a clamping mechanism for overcoming deflection deformation, which adopts the technical scheme that the clamping mechanism comprises a base 1, wherein a fixed table 2 is arranged at the rear end of the base 1, a chuck 5 is arranged on the fixed table 2, a chuck 6 and a positioning cylinder 7 are also arranged on the fixed table 2, the chuck 6 is in sliding connection with the fixed table 2, the positioning cylinder 7 is in threaded connection with the fixed table 2, the positioning cylinder 7 is in sliding connection with the chuck 6, a movable seat 3 is in sliding connection with the base 1, a positioning screw 12 is rotationally connected with the base 1, the positioning screw 12 is axially parallel to the chuck 5, the movable seat 3 is in threaded connection with the positioning screw 12, a movable table 4 is arranged on the movable table 4, an adjusting seat 42 is provided with an adjusting bolt 80 in threaded connection with the adjusting bolt 80, the adjusting bolt 80 is located on the same axis as the chuck 5, a round table 8 is rotationally connected with the adjusting seat 42, a supporting rod 43 is hinged with the adjusting seat 43, the supporting rod 43 is provided with three groups and is circumferentially arrayed, the tail end of the supporting rod 43 is hinged with a pressing plate 9, the pressing plate 9 is a round table 8 is hinged with a short rod 81, the short rod 81 is hinged with the short rod 81, and the tail end of the short rod 81 is provided with the arc rod and the arc 43 is circumferentially arrayed in a whole.

As shown in fig. 1 and 5, in order to guide the movable seat 3, the front end and the rear end of the base 1 are respectively provided with a baffle seat 10, a guide rod 11 is arranged between the two baffle seats 10, the guide rods 11 are arranged in two groups and are symmetrically arranged left and right, and the movable seat 3 is in sliding connection with the guide rod 11.

As shown in fig. 1, 4 and 5, in order to enhance the structural strength of the mobile station 4 and to make the clamping more stable, two sets of reinforcing ribs 30 are provided between the mobile station 4 and the mobile station 3, and the reinforcing ribs 30 are symmetrically arranged.

As shown in fig. 1 and 2, in order to facilitate clamping by using the central hole of the gear workpiece, the chuck 5 is slidably connected with three groups of clamping jaws 51, the clamping jaws 51 are circumferentially arrayed, clamping blocks 52 are arranged at the inner ends of the clamping jaws 51, and cambered surfaces are arranged on the clamping blocks 52.

As shown in fig. 1 and 2, in order to improve the stability of the movement of the chuck 6, a guide groove 50 is provided on the fixing table 2, and a guide block is provided on the chuck 6 and slidably coupled in the guide groove 50.

As shown in fig. 1 and 5, in order to limit the positioning cylinder 7, the positioning cylinder 7 is connected with two sets of limit bolts 71 in a threaded manner, the limit bolts 71 are symmetrically distributed on the positioning cylinder 7, the outer end of the limit bolt 71 is provided with a rotating handle, and the inner end of the limit bolt 71 is in sliding connection with the fixed table 2.

As shown in fig. 1, 4 and 5, in order to facilitate the operation and rotation of the positioning screw 12, the front end of the positioning screw 12 is provided with a positioning rod head 13, the positioning rod head 13 is slidably connected with an auxiliary handle 14, two ends of the auxiliary handle 14 are respectively provided with a blocking head, and the auxiliary handle 14 is perpendicular to the positioning screw 12.

As shown in fig. 1, 4 and 5, in order to facilitate rotation of the adjusting bolt 80, a bolt head is provided at the front end of the adjusting bolt 80, and a bolt handle is provided on the bolt head, wherein the bolt handle has three groups and is circumferentially arrayed.

As shown in fig. 1, 4 and 5, in order to prevent the adjusting pin 80 from being too close to the mobile station 4, a boss 41 is provided on the front side of the mobile station 4, and the boss 41 corresponds to the position of the pin head.

The working principle of the utility model is as follows: firstly, a gear workpiece is placed on a chuck 5, a clamping block 52 is positioned in a shaft hole in the center of the gear workpiece, the position of a clamping jaw 51 is adjusted, the clamping block 52 is driven to move outwards, the clamping block 52 is propped against the edge of the shaft hole, the gear workpiece is fixed, then an auxiliary handle 14 is used for rotating, a positioning screw rod 12 is driven by a positioning rod head 13, a moving seat 3 is driven to move on a base 1, a guide rod 11 between a blocking seat 10 guides the moving seat 3, the moving seat 3 drives a moving table 4 to move, a pressing plate 9 is close to the gear workpiece, then an adjusting bolt 80 is rotated by using a bolt handle according to the size of the gear workpiece, the adjusting bolt 80 is pushed by threads to move towards the rear side, a boss 41 limits the bolt head, the adjusting bolt 80 is prevented from approaching the moving table 4, the adjusting bolt 80 drives a round table 8 to move, a short rod 81 is driven to move outwards, a hinged supporting rod 43 on the adjusting seat 42 is driven to move outwards, when the pressing plate 9 faces the front side of the gear workpiece, then the positioning screw rod 12 is continuously rotated, the moving table 4 and the pressing plate 9 on the front side of the gear workpiece, the pressing plate 9 is pressed on the reinforcing side of the gear workpiece, the reinforcing rib 30 is pushed by the pressing plate 9 to the front side, the pressing plate 2 is separated from the guide drum 6, and the clamping drum 6 is deformed, and the clamping drum is fixed, and the clamping drum is then, and the clamping drum is moved to the workpiece is moved to the clamping drum is moved to the side and the workpiece is moved to the side and the clamping drum is moved to the workpiece and is against the clamping drum 7.

The mechanical connection according to the utility model is a customary practice adopted by the person skilled in the art, and the technical teaching can be obtained by a limited number of tests, which belongs to the common general knowledge.

The components not described in detail herein are prior art.

Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.

Claims

1. The utility model provides a overcome fixture of deflection, includes base (1), the rear end of base (1) is equipped with fixed station (2), be equipped with chuck (5), its characterized in that on fixed station (2): the utility model discloses a circular table (81) is provided with a plurality of groups of short pressing plates (81) and a plurality of groups of circular table (81) are arranged on a fixed table (2), a chuck (6) and a positioning cylinder (7) are further arranged on the fixed table (2), the chuck (6) is in sliding connection on the fixed table (2), the positioning cylinder (7) is in threaded connection with the fixed table (2), the positioning cylinder (7) is in sliding connection with the chuck (6), the positioning cylinder (7) is in sliding connection with the chuck (2), the base (1) is in sliding connection with a movable seat (3), a supporting rod (12) is rotationally connected with the base (1), the positioning screw (12) is axially parallel to the chuck (5), the movable seat (3) is in threaded connection with the positioning screw (12), the movable seat (3) is provided with a movable table (4), an adjusting seat (42) is arranged on the movable table (4), an adjusting bolt (80) in threaded connection with the adjusting bolt (80), the adjusting bolt (80) is located on the same axis, the adjusting bolt (80) is rotationally connected with a circular table (8), a plurality of groups of short pressing plates (43) are hinged to each other, the circumference (81) is provided with a plurality of short pressing plates (81), the ends of the short rods (81) are hinged with the supporting rods (43).

2. A clamping mechanism for overcoming flexing deformation in accordance with claim 1, wherein: the novel anti-theft device is characterized in that blocking seats (10) are arranged at the front end and the rear end of the base (1), guide rods (11) are arranged between the two groups of blocking seats (10), the guide rods (11) are arranged in two groups and symmetrically left and right, and the movable seat (3) is in sliding connection with the guide rods (11).

3. A clamping mechanism for overcoming flexing deformation in accordance with claim 2, wherein: reinforcing ribs (30) are arranged between the movable seat (3) and the movable table (4), and the reinforcing ribs (30) are arranged in two groups and symmetrically.

4. A clamping mechanism for overcoming flexing deformation in accordance with claim 1, wherein: clamping jaws (51) are connected onto the chuck (5) in a sliding mode, the clamping jaws (51) are provided with a plurality of groups of circumferential arrays, clamping blocks (52) are arranged at the inner ends of the clamping jaws (51), and cambered surfaces are arranged on the clamping blocks (52).

5. A clamping mechanism for overcoming flexing deformation in accordance with claim 1, wherein: the fixing table (2) is provided with a guide groove (50), the chuck (6) is provided with a guide block, and the guide block is connected in a sliding way in the guide groove (50).

6. A clamping mechanism for overcoming flexing deformation in accordance with claim 1, wherein: the locating cylinder (7) is connected with a limiting bolt (71) in a threaded mode, the limiting bolts (71) are arranged in a plurality of groups and are uniformly distributed on the locating cylinder (7), a rotating handle is arranged at the outer end of the limiting bolt (71), and the inner end of the limiting bolt (71) is connected with the fixed table (2) in a sliding mode.

7. A clamping mechanism for overcoming flexing deformation in accordance with claim 1, wherein: the front end of the positioning screw rod (12) is provided with a positioning rod head (13), the positioning rod head (13) is connected with an auxiliary handle (14) in a sliding mode, two ends of the auxiliary handle (14) are respectively provided with a blocking head, and the auxiliary handle (14) is perpendicular to the positioning screw rod (12).

8. A clamping mechanism for overcoming flexing deformation in accordance with claim 1, wherein: the front end of the adjusting bolt (80) is provided with a bolt head, the bolt head is provided with a bolt handle, and the bolt handles are provided with a plurality of groups and are circumferentially arrayed.

9. A clamping mechanism for overcoming flexing deformation as set forth in claim 8, wherein: a boss (41) is arranged on the front side of the mobile station (4), and the boss (41) corresponds to the position of the bolt head.